Dodecyltrimethylammonium Bromide Chemical Properties

Melting point:

246 °C (dec.)(lit.)

Density 

1.1566 (rough estimate)

vapor pressure 

0Pa at 20℃

refractive index 

1.5260 (estimate)

Flash point:

246°C

storage temp. 

Store below +30°C.

solubility 

H₂O: 0.1 M at 20 °C, clear, colorless

form 

Powder

color 

White to slightly yellow

Water Solubility 

soluble

Sensitive 

Hygroscopic

λmax

λ: 240 nm Amax: ≤0.2
λ: 250 nm Amax: ≤0.03
λ: 260 nm Amax: ≤0.02
λ: 500 nm Amax: ≤0.02

BRN 

3597463

InChIKey

XJWSAJYUBXQQDR-UHFFFAOYSA-M

CAS DataBase Reference

1119-94-4(CAS DataBase Reference)

EPA Substance Registry System

1-Dodecanaminium, N,N,N-trimethyl-, bromide (1119-94-4)

Safety Information

Hazard Codes 

Xi,Xn,N

Risk Statements 

36/37/38-22-50/53

Safety Statements 

26-36-37/39-61-60

RIDADR 

UN3077

WGK Germany 

3

RTECS 

BQ3195000

F 

3-10

TSCA 

Yes

HazardClass 

9

PackingGroup 

III

HS Code 

29239000

Toxicity

LD50 orally in Rabbit: 200 - 1000 mg/kg

MSDS

• Language:English Provider:Laurtrimonium bromide
• Language:English Provider:ACROS
• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

Dodecyltrimethylammonium Bromide Usage And Synthesis

Chemical Properties

white to slightly yellow powder

Uses

(1-Dodecyl)trimethylammonium bromide is used as a surfactant, as an emulsifier of rubber and asphalt and as an anti-static agent of synthetic fiber. It acts as an ionic surfactant and useful in the preparation of gold nanopartilces along with sodium dodecylsulfate. It is also used as paint strippers and foaming stabilizers. It is used to prepare dodecyltrimethylammonium bromide. By using conductimetry, density measurements, and small angle neutron scattering, it is used to study the micelle formation in water-dimethylsulfoxide mixture. Further, it is a useful biochemical for proteomics research.

Uses

Dodecyltrimethylammonium Bromide is a quaternary ammonium salt useful as paint strippers, foaming stabilizers, and bactericidal lotions.

Uses

Dodecyltrimethylammonium bromide has been used in a study to assess the distribution of binary mixed counterions in surfactant adsorbed films. It has also been used in a study to investigate chain length compatibility of surfactants for extraction of organophosphorous pesticides.

Definition

ChEBI: A quarternary ammonium cation having one dodecyl and three methyl substituents around the central nitrogen.

General Description

Dodecyltrimethylammonium bromide is a quaternary ammonium surfactant.

Flammability and Explosibility

Not classified

Purification Methods

Purify the salt by repeated crystallisation from acetone. Wash it with diethyl ether and dry it in a vacuum oven at 60o [Dearden & Wooley J Phys Chem 91 2404 1987]. [Beilstein 4 IV 798.]

Dodecyltrimethylammonium Bromide(1119-94-4)Related Product Information

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